August 2009 changed the height of the top rail on the LR308 upper receiver. To properly match your receiver height, measure the distance from the barrel's centerline to the top of the receiver rail.PRE August 2009 model is 1.313"

IMPORTANT: DPMS, BUSHMASTER & REMINGTON have two different height upper receivers. Please download PDF to determine which receiver you have before purchasing: 308 COMPARISON (Right Click to “save as”) The new “Low Profile” upper receiver has a 1/8″ wide top portion where the charging handle is installed. The older “High Profile” upper receiver has a 3/16″ wide top portion where the charging handle is installed.

Lightweight, 12" model weighs only 11.8 oz

Five anti-rotation QD swivel sockets for quick detach sling swivels

Includes one 2.1" KeyMod rail

High quality MIL-STD 1913 top rail, T-Marked for accessory location

Constructed from 6061 aluminum, hard coat anodized for a lifetime of service